METHOD OF PRODUCING LOW-CARBON STEEL Russian patent published in 1995 - IPC

FIELD: ferrous metallurgy. SUBSTANCE: method of producing low-carbon steel includes the following; smelting of the semifinished product in the steel-making vessel, alloying, regulating the correlation of the carbon and oxygen concentration and continuous evacuation at the residual pressure of not more than 6.7 kPa in the chamber. The dependence of the oxygen contents in the metal on the quantity of the carbon extracted from the metal in the course of evacuation is determined in the melt fed to the vacuum chamber. EFFECT: facilitated manufacture. 1 tbl